package selectCourse;


public class Tech extends a{
String lesson;
public Tech(int id,String name,String sex,String lesson){
    super(id,name,sex);
    this.id = id;
    this.name = name;
    this.sex = sex;
    this.lesson=lesson;
}
public String toString(){
    return"编号:" + id+"  姓名:"+name +"  性别:"+sex+"  课程:"+lesson;
}
}
